<div class="csa shangxiazuoyoucenter">
    <div>
        <img class="qr" src="./imgs/qr.jpg">
        <img class="close" onclick="close_window()" src="./imgs/x.png">
    </div>
</div>
<style>
    .csa{
        width: 100vw;
        background-color: rgba(0, 0, 0, 0.59);
        height: 100vh;
    }
    .qr{
        width: 33%;
        margin-top: 0%;
    }
</style>
<script>
    var pageName="Qr"
    function close_window(){
        document.getElementById(pageName+"_page").style.display="none";
    }
</script>

